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Finding the Fourth Proportional to 584,430.80, 876,041.40 and 317,627.60

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Solution

The fourth proportional to 584,430.80, 876,041.40 and 317,627.60 is: 476,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,430.80 : 876,041.40 = 317,627.60 : x
  2. Step 2: Convert to fraction form
    584,430.80/876,041.40 = 317,627.60/x
  3. Step 3: Cross multiply
    584,430.80x = 876,041.40 × 317,627.60
  4. Step 4: Simplify right side
    584,430.80x = 278,254,927,382.64
  5. Step 5: Solve for x
    x = 278,254,927,382.64/584,430.80
  6. Step 6: Final answer
    x = 476,112.70

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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.