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Finding the Fourth Proportional to 706,430.63, 977,441.38 and 615,975.10

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Solution

The fourth proportional to 706,430.63, 977,441.38 and 615,975.10 is: 852,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,430.63 : 977,441.38 = 615,975.10 : x
  2. Step 2: Convert to fraction form
    706,430.63/977,441.38 = 615,975.10/x
  3. Step 3: Cross multiply
    706,430.63x = 977,441.38 × 615,975.10
  4. Step 4: Simplify right side
    706,430.63x = 602,079,547,806.10
  5. Step 5: Solve for x
    x = 602,079,547,806.10/706,430.63
  6. Step 6: Final answer
    x = 852,284.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.