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Finding the Fourth Proportional to 585,032.40, 877,548.60 and 518,547.60

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Solution

The fourth proportional to 585,032.40, 877,548.60 and 518,547.60 is: 777,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,032.40 : 877,548.60 = 518,547.60 : x
  2. Step 2: Convert to fraction form
    585,032.40/877,548.60 = 518,547.60/x
  3. Step 3: Cross multiply
    585,032.40x = 877,548.60 × 518,547.60
  4. Step 4: Simplify right side
    585,032.40x = 455,050,720,413.36
  5. Step 5: Solve for x
    x = 455,050,720,413.36/585,032.40
  6. Step 6: Final answer
    x = 777,821.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.